98811858 has 16 divisors (see below), whose sum is σ = 198619200. Its totient is φ = 32771376.

The previous prime is 98811829. The next prime is 98811877. The reversal of 98811858 is 85811889.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40185 + ... + 42572.

It is an arithmetic number, because the mean of its divisors is an integer number (12413700).

Almost surely, 2^98811858 is an apocalyptic number.

98811858 is an abundant number, since it is smaller than the sum of its proper divisors (99807342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98811858 is a wasteful number, since it uses less digits than its factorization.

98811858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82961.

The product of its digits is 184320, while the sum is 48.

The square root of 98811858 is about 9940.4153836749. The cubic root of 98811858 is about 462.3132655462.

The spelling of 98811858 in words is "ninety-eight million, eight hundred eleven thousand, eight hundred fifty-eight".